Company lists · Data refreshed September 2026

Top 25 Enterprise classification consultancies based in Chicago, United States

Name: Enterprise classification consultancies based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 83 companies tracked

RevenueBase identified 83 company matches for enterprise classification consultancies associated with Chicago, United States as of September 2026 and tracks 1,762 professional contacts across them, including 650 with verified work emails. Across the United States, New York is the largest hub for this category (178 companies); Chicago has 83.

This list covers company matches for enterprise classification consultancies associated with Chicago, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built

83Companies

1,762Contacts tracked

650Verified emails

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The 25 largest enterprise classification consultancies based in Chicago, United States

Ranked by team size

Top 25 of 83 company matches for enterprise classification consultancies based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	DLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	201-500	546 contacts →
	Exact match “DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Weaver Consultants Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	201-500	382 contacts →
	Exact match “From its inception in 1991, Weaver Consultants Group has been founded upon the tenets of attentive and responsive customer service, strong project management, and solid internal…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Accretive Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	501-1,000	217 contacts →
	Exact match “Your World.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Dpo&co.	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	187 contacts →
	Exact match “DPO & Co specializes in helping Private Equity firms and their portfolio companies gain fact-based insights during the diligence process and realize post-close synergies and value…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	HBR Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	501-1,000	106 contacts →
	Exact match “HBR Consulting is now part of Harbor.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Source Consulting Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	29 contacts →
	Exact match “Source Consulting Group LLC is the premier full-service consulting firm focusing exclusively on the strategic and operational business process and technology needs of legal and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	CTS Impact	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	29 contacts →
	Exact match “CTS Impact is a hands-on business consulting firm focused on delivering practical solutions to complex business issues in the areas of Finance, IT and Human Resources.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Strategic Growth Consulting, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	13 contacts →
	Exact match “Strategic Growth Consulting helps small to medium sized professional service companies identify, plan and execute growth strategies bringing over 30 years of experience in the…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Catalyst X	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	12 contacts →
	Exact match “We are a management consultancy specializing in catalyzing growth.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	RAO Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	8 contacts →
	Exact match “RAO Solutions was formed to affect positive, qualitative and quantitative change within your organization.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	The Quimera Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	6 contacts →
	Exact match “We are a Chicago based consultancy firm established in 2014 to help implement technology solutions for various business areas and industries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Level X Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	4 contacts →
	Exact match “Level X Consulting (Lx) was founded on a set of core values which guide our Operating Paradigm, business relationships, and work product.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	BEN Jacobson Consultants	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	4 contacts →
	Exact match “Ben Jacobson Consultants was founded in 2001 and has been helping businesses operate with maximum efficiency ever since.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Lake Michigan Partners	Exact match	Chicago, United StatesHQ recorded Sep 29, 2026	1-10	3 contacts →
	Exact match “Special Project Consultants Lake Michigan Partners is an independent management consulting firm located in Chicago, Illinois with projects run managed nationally.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	HI Tech Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	3 contacts →
	Exact match “Hi Tech Consulting is an agency committed to helping entrepreneurs and small businesses optimize their time by optimizing and automating processes that increase their impact and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Bright PEI Consulting LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	3 contacts →
	Exact match “We provide Business and Management Consulting Service to Startup and Small business.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Onboard ERP	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	2 contacts →
	Exact match “Onboard ERP, a part of Optimum Technology Transfer Ltd, support ERP transformation projects across the globe.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Rush Street Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	2 contacts →
	Exact match “Rush Street Consulting helps entrepreneurs build successful businesses.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Lynam & Associates	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	2 contacts →
	Exact match “Lynam & Associates is as a transactional and commercial consultancy serving and advising entrepreneurs, closely held U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	BIZ Esteem, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	2 contacts →
	Exact match “Biz Esteem is a business development consulting services firm in both the B2B and B2C landscape with proven results in growing revenue, profit and share.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Group Solaris	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	1 contacts →
	Exact match “We are a boutique advisory firm focused on increasing our mid-market client’s enterprise value.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Kamden Strategy Group, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	1 contacts →
	Exact match “KAMDEN Strategy Group is a management consulting firm providing business owners, corporate executives, nonprofit leaders and boards with strategy resources and enterprise planning…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Software Guru, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	1 contacts →
	Exact match “21st Century E-Business Solutions Software Guru provides consulting services to the Financial Services community as well as all Small to Mid-Sized Businesses.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Avant Strategy	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	1 contacts →
	Exact match “Avant Strategy is a management consulting firm built on over two decades of executive experience leading strategic growth, business transformation, and global M&A initiatives for…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Transparent Analysis	Exact match	Chicago, United StatesHQ recorded Sep 29, 2026	1-10	1 contacts →
	Exact match “Transparent Analysis provides management consulting services to small and medium sized businesses in the telecom and technology sectors.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “enterprise classification consultancies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 83 enterprise classification consultancies based in Chicago, United States

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Enterprise classification consultancies based in Chicago, United States at a glance

As of Sep 29, 2026

36.9%Verified-email coverage

21.2Average contacts per company

1-10Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 83 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Chicago, United States whose business descriptions match “enterprise classification consultancies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 650 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Enterprise classification consultancies by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “enterprise classification consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise classification consultancies are there based in Chicago, United States?

RevenueBase identified 83 company matches for enterprise classification consultancies associated with Chicago, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

DLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most enterprise classification consultancies?

New York leads the United States with 178 company records, followed by Atlanta (116) and Houston (110). Chicago has 83.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 650 professional contacts with verified work emails tracked across these 83 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.